In this episode, Jonno and Alfie have two weeks to slim down for a family barbecue, Sonal and Surekha go on six-week dieting plans to lose weight for an engagement party, and twins Michelle and Mandi want to slim down for a black tie event in four months' time. Xand van Tulleken investigates 'Hanger' - what happens when you're hungry and angry - and pits alcoholic drinks against each other to find out which is the worst for calories.